Integrative physiological assessment of cerebral hemodynamics and metabolism in acute ischemic stroke

Jui Lin Fan, Ricardo C. Nogueira, Patrice Brassard, Caroline A. Rickards, Matthew Page, Nathalie Nasr, Yu Chieh Tzeng

Research output: Contribution to journalReview articlepeer-review

Abstract

Restoring perfusion to ischemic tissue is the primary goal of acute ischemic stroke care, yet only a small portion of patients receive reperfusion treatment. Since blood pressure (BP) is an important determinant of cerebral perfusion, effective BP management could facilitate reperfusion. But how BP should be managed in very early phase of ischemic stroke remains a contentious issue, due to the lack of clear evidence. Given the complex relationship between BP and cerebral blood flow (CBF)—termed cerebral autoregulation (CA)—bedside monitoring of cerebral perfusion and oxygenation could help guide BP management, thereby improve stroke patient outcome. The aim of INFOMATAS is to ‘identify novel therapeutic targets for treatment and management in acute ischemic stroke’. In this review, we identify novel physiological parameters which could be used to guide BP management in acute stroke, and explore methodologies for monitoring them at the bedside. We outline the challenges in translating these potential prognostic markers into clinical use.

Original languageEnglish
JournalJournal of Cerebral Blood Flow and Metabolism
DOIs
StateAccepted/In press - 2021

Keywords

  • Cerebral autoregulation
  • near-infrared spectroscopy
  • neuroimaging
  • stroke
  • transcranial Doppler ultrasound

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